13351139 has 4 divisors (see below), whose sum is σ = 13476024. Its totient is φ = 13226256.

The previous prime is 13351099. The next prime is 13351181. The reversal of 13351139 is 93115331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93115331 = 967 ⋅96293.

It is a cyclic number.

It is not a de Polignac number, because 13351139 - 2¹⁶ = 13285603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13351439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62282 + ... + 62495.

It is an arithmetic number, because the mean of its divisors is an integer number (3369006).

Almost surely, 2^13351139 is an apocalyptic number.

13351139 is a deficient number, since it is larger than the sum of its proper divisors (124885).

13351139 is a wasteful number, since it uses less digits than its factorization.

13351139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124884.

The product of its digits is 1215, while the sum is 26.

The square root of 13351139 is about 3653.9210445766. The cubic root of 13351139 is about 237.2317281083.

The spelling of 13351139 in words is "thirteen million, three hundred fifty-one thousand, one hundred thirty-nine".